Net Income (Loss) per Share (Tables)

9 Months Ended

Sep. 30, 2024

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income (Loss) Per Share

The following table sets forth the computation of basic and diluted net income (loss) per share (in thousands, except per share amounts):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2024		2023		2024			2023
Numerator:
Net income (loss) attributable to Vicor Corporation	$	11,552	$	16,582	$	(4,117	)	$	44,927
Denominator:
Denominator for basic net income (loss) per share-weighted    average shares (1)		45,117		44,433		44,829			44,275
Effect of dilutive securities:
Employee stock options (2)		57		754		—			725
Denominator for diluted net income (loss) per share – adjusted    weighted-average shares and assumed conversions		45,174		45,187		44,829			45,000
Basic net income (loss) per share	$	0.26	$	0.37	$	(0.09	)	$	1.01
Diluted net income (loss) per share	$	0.26	$	0.37	$	(0.09	)	$	1.00

(1)Denominator represents the weighted average number of shares of Common Stock and Class B Common Stock outstanding.

(2)Options to purchase 2,875,975 and 2,971,033 shares of Common Stock for the three and nine months ended September 30, 2024, respectively, were not included in the calculation of net income (loss) per share as the effect would have been antidilutive. Options to purchase 1,012,045 and 1,473,749 shares of Common Stock for the three and nine months ended September 30, 2023, respectively, were not included in the calculation of net income per share as the effect would have been antidilutive.